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发明名称
Foam retarding means and method
摘要
申请公布号
US2320366(A)
申请公布日期
1943.06.01
申请号
US19400362479
申请日期
1940.10.23
申请人
LEAF WALTER B
发明人
LEAF WALTER B.
分类号
F22B13/06
主分类号
F22B13/06
代理机构
代理人
主权项
地址
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