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经营范围
发明名称
Means for locking bodies to supports
摘要
申请公布号
US2244456(A)
申请公布日期
1941.06.03
申请号
US19380241881
申请日期
1938.11.22
申请人
WESTERN CATAPHOTE CORPORATION
发明人
HAPPEL ALBERT W.
分类号
E01F9/015
主分类号
E01F9/015
代理机构
代理人
主权项
地址
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