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发明名称
Continuous foam-producing method and apparatus
摘要
申请公布号
US1781298(A)
申请公布日期
1930.11.11
申请号
US19270222567
申请日期
1927.09.28
申请人
PRUTZMAN PAUL W
发明人
PRUTZMAN PAUL W.
分类号
A62C5/00
主分类号
A62C5/00
代理机构
代理人
主权项
地址
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