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发明名称
Adjustable ring clamp
摘要
申请公布号
US2689141(A)
申请公布日期
1954.09.14
申请号
US19520265352
申请日期
1952.01.07
申请人
KIEKHAEFER ELMER C
发明人
KIEKHAEFER ELMER C.
分类号
F16L23/06
主分类号
F16L23/06
代理机构
代理人
主权项
地址
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