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发明名称
Improvements in and relating to means for coupling assembled units to provide a linearly extended member
摘要
申请公布号
GB676677(A)
申请公布日期
1952.07.30
申请号
GB19500029018
申请日期
1950.11.27
申请人
H. K. PORTER, INC.
发明人
分类号
B66F13/00;F16B21/12;F16B21/18
主分类号
B66F13/00
代理机构
代理人
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