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发明名称
Process for the refining of sperm oil or wax
摘要
申请公布号
US2077837(A)
申请公布日期
1937.04.20
申请号
US19350004993
申请日期
1935.02.04
申请人
WILHELM HOLWECH
发明人
HOLWECH WILHELM
分类号
C11B3/12
主分类号
C11B3/12
代理机构
代理人
主权项
地址
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