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发明名称
Mason's guide
摘要
申请公布号
US3327395(A)
申请公布日期
1967.06.27
申请号
US19650496796
申请日期
1965.10.18
申请人
ZETCO ENGINEERING AND TOOL COMPANY, INC.
发明人
ZENKE HOWARD W.
分类号
E04G21/18
主分类号
E04G21/18
代理机构
代理人
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地址
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