三级网站在线播放_性生生活三级视频在线观看_青柠影院伊人激情网_大将军1v2沈清歌_男女打扑克剧烈运动_被强行打开双腿灌满白浆视频_亚洲AV只有精品_久久人精品婷婷香蕉_最新国产在线观看一区_韩国精品无码AV中文字幕

序號No.

專 利 名 稱

Patent Name

專利號（公告號）

Patent No. (Published No.)

專利類別

Patent Class

1

三角截面密封套 Triangle cross-section

seal cap

發明專利Invention Patent

2

單雙箍共體式擠壓管接件 Integrated

single and double ferrules extrusion pipeline fitting

發明專利Invention Patent

3

擠壓連接管接件Extrusion and connection pipeline fitting

發明專利Invention Patent

4

一種管接頭緊固結構及其裝配方法One kind of pipeline fitting’s fasten structure and its assemble method

發明專利Invention Patent

5

梯形環密封Keystone ring seal

發明專利Invention Patent

6

球楔瓣閥Ball flap valve

發明專利Invention Patent

7

波紋管球閥Corrugated pipe ball valve

實用新型專利Practical New Patent

8

桿密封Stem seal

國際專利International Patent

桿密封Stem seal

美國發明專利America Invention Patent

9

梯形截面的環形熱助密封結構Keystone cross-section’s ring heat sealing structure

國際專利International Patent

梯形截面的環形熱助密封結構Keystone cross-section’s ring heat sealing structure

美國發明專利America Invention Patent

10

單雙箍共體式擠壓管接件 Integrated single and double ferrules extrusion pipeline fitting

國際專利International Patent

單雙箍共體式擠壓管接件Integrated single and double ferrules extrusion pipeline fitting

美國發明專利America Invention Patent

單雙箍共體式擠壓管接件Integrated single and double ferrules extrusion pipeline fitting

歐洲發明專利Europe Invention Patent

序號No.

專 利 名 稱

Patent Name

專利號（公告號）

Patent No. (Published No.)

專利類別

Patent Class

11

按等邊三角截面法結構的球閥座和球閥Equilateral triangle cross-section structuralized ball valve seats and ball valves

發明專利Invention Patent

12

按等邊三角截面法結構的球閥座和球閥Equilateral triangle cross-section structuralized ball valve seats and ball valves

國際專利International Patent

13

雙環桿肩密封與獨立雙重閥桿密封Double ring stem shoulder seal and independent double valve stem seal

發明專利Invention Patent

14

雙環桿肩密封與獨立雙重閥桿密封Double ring stem shoulder seal and independent double valve stem seal

國際專利International Patent

15

微觀鋸齒環密封對接結構Micro-jag ring seal connection structure

發明專利Invention Patent

16

微觀鋸齒環密封對接結構Micro-jag ring seal connection structure

國際專利International Patent

17

槽墊密封結構 Sink gasket seal structure

發明專利Invention Patent

18

槽墊密封結構Sink gasket seal structure

國際專利International Patent

19

有縛自激密封環、墊及結構Bond auto-exciting sealing ring, gasket and their structures

發明專利Invention Patent

20

O型圈四向密封結構 O-ring’s four sides’ sealing structure

發明專利Invention Patent