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发明名称
Coloration of materials
摘要
申请公布号
US2131098(A)
申请公布日期
1938.09.27
申请号
US19350041419
申请日期
1935.09.20
申请人
HENRY DREYFUS
发明人
DREYFUS HENRY
分类号
D06P1/00;D06P1/52;D06P1/92;D06P3/60;D06P5/22
主分类号
D06P1/00
代理机构
代理人
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地址
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