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经营范围
发明名称
Manufacture and joining of articles of concrete and the like
摘要
申请公布号
US2008339(A)
申请公布日期
1935.07.16
申请号
US19310512467
申请日期
1931.01.30
申请人
BOHUSLAV RUML
发明人
RUML BOHUSLAV
分类号
B28B21/78
主分类号
B28B21/78
代理机构
代理人
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地址
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