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发明名称
Mason's tool
摘要
申请公布号
US2785467(A)
申请公布日期
1957.03.19
申请号
US19540449104
申请日期
1954.08.11
申请人
ERON ANDERSEN
发明人
ANDERSEN ERON
分类号
E04G21/18
主分类号
E04G21/18
代理机构
代理人
主权项
地址
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