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发明名称
Steeping process
摘要
申请公布号
US1955112(A)
申请公布日期
1934.04.17
申请号
US19300496676
申请日期
1930.11.19
申请人
INTERNATIONAL PATENTS DEVELOPMENT COMPANY
发明人
CURRY HARRY W.;SAYRE FREDERICK M.
分类号
C08B30/04
主分类号
C08B30/04
代理机构
代理人
主权项
地址
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