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发明名称
Process of manufacturing insulating board
摘要
申请公布号
US1812970(A)
申请公布日期
1931.07.07
申请号
US19290334387
申请日期
1929.01.23
申请人
MASONITE CORPORATION
发明人
MASON WILLIAM H.
分类号
D21J1/00
主分类号
D21J1/00
代理机构
代理人
主权项
地址
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