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经营范围
发明名称
Manufacture of artificial sponges
摘要
申请公布号
US2105380(A)
申请公布日期
1938.01.11
申请号
US19360059792
申请日期
1936.01.18
申请人
JOSEPH SPEIJER
发明人
SPEIJER JOSEPH
分类号
C08J9/00
主分类号
C08J9/00
代理机构
代理人
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