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发明名称
Wire stretcher
摘要
申请公布号
US2158927(A)
申请公布日期
1939.05.16
申请号
US19370172268
申请日期
1937.11.01
申请人
DAVISSON JOHN A
发明人
DAVISSON JOHN A.
分类号
F16G11/12
主分类号
F16G11/12
代理机构
代理人
主权项
地址
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