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发明名称
Method of making plastic products
摘要
申请公布号
US2239860(A)
申请公布日期
1941.04.29
申请号
US19370139453
申请日期
1937.04.28
申请人
UNITED STATES GYPSUM COMPANY
发明人
ROOS CARLISLE K.
分类号
B28B19/00;C04B28/14;E04C2/04
主分类号
B28B19/00
代理机构
代理人
主权项
地址
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