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发明名称
Ground grip
摘要
申请公布号
US2390929(A)
申请公布日期
1945.12.11
申请号
US19450586582
申请日期
1945.04.04
申请人
LYMAN ELLIS CHARIES
发明人
ELLIS CHARIES LYMAN
分类号
E04B1/41
主分类号
E04B1/41
代理机构
代理人
主权项
地址
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