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发明名称
Voluminously swellable substance and process of making same from waxes
摘要
申请公布号
US2100067(A)
申请公布日期
1937.11.23
申请号
US19350004996
申请日期
1935.02.04
申请人
HENRYK COHN;CONRAD SIEBERT
发明人
COHN HENRYK;SIEBERT CONRAD
分类号
C11B1/00
主分类号
C11B1/00
代理机构
代理人
主权项
地址
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