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经营范围
发明名称
Procédé de régénération du vieux caoutchouc vulcanisé.
摘要
申请公布号
CH247991(A)
申请公布日期
1947.04.15
申请号
CHD247991
申请日期
1945.10.08
申请人
DE BECKER,ROBERT
发明人
BECKER,ROBERT DE
分类号
C08J11/20
主分类号
C08J11/20
代理机构
代理人
主权项
地址
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