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发明名称
Screw connection
摘要
申请公布号
US2172350(A)
申请公布日期
1939.09.12
申请号
US19380240470
申请日期
1938.11.15
申请人
WILLI HEYNER;HERMANN HENKEL
发明人
HEYNER WILLI;HENKEL HERMANN
分类号
F16B37/12
主分类号
F16B37/12
代理机构
代理人
主权项
地址
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