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DIN 3852-3-1991(德文版)6 e, E5 {9 X/ H9 g7 c http://www.3dportal.cn/discuz/viewthread.php?tid=182111 + w1 F4 i6 {- @& d) E' h: b2 Z5 U* I+ K3 O4 c6 w% {0 z
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ISO 6149-2:2006 Connections for hydraulic fluid power and general use - Ports and stud ends with ISO 261 metric threads and O-ring sealing - Part 2: Dimensions, design, test methods and requirements for heavy-duty (S series) stud ends 0 }+ p* W0 g6 a. g7 ghttp://www.3dportal.cn/discuz/redirect.php?tid=1149453&goto=lastpost#lastpost e; j9 M& |: {# S7 n
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BS ISO 6149-2 2006 Connections for fluid power and general use..., l$ O+ {7 q: r2 g* T' @6 ^* h$ R http://www.3dportal.cn/discuz/viewthread.php?tid=220821