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发明名称
Tool for repairing mortar joints
摘要
申请公布号
US2856768(A)
申请公布日期
1958.10.21
申请号
US19540437486
申请日期
1954.06.17
申请人
SCHWEITZER GEORGE A
发明人
SCHWEITZER GEORGE A.
分类号
E04F21/165
主分类号
E04F21/165
代理机构
代理人
主权项
地址
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