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经营范围
发明名称
Plaster mixture
摘要
申请公布号
US1799324(A)
申请公布日期
1931.04.07
申请号
US19280278913
申请日期
1928.05.18
申请人
RUBY GEORGE H A
发明人
RUBY GEORGE H. A.
分类号
C04B18/24
主分类号
C04B18/24
代理机构
代理人
主权项
地址
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