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发明名称
Plaster board machine
摘要
申请公布号
US1862318(A)
申请公布日期
1932.06.07
申请号
US19300418793
申请日期
1930.01.06
申请人
RUBY GEORGE H A
发明人
RUBY GEORGE H. A.
分类号
B28B1/52
主分类号
B28B1/52
代理机构
代理人
主权项
地址
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