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发明名称
Clam opener
摘要
申请公布号
US2136816(A)
申请公布日期
1938.11.15
申请号
US19370162412
申请日期
1937.09.04
申请人
FRAZIER WILLIAM G
发明人
FRAZIER WILLIAM G.
分类号
A47G21/06
主分类号
A47G21/06
代理机构
代理人
主权项
地址
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