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发明名称
PREPARATION OF FORMALS
摘要
申请公布号
CA440882(A)
申请公布日期
1947.04.22
申请号
CAD440882
申请日期
申请人
CANADIAN INDUSTRIES LIMITED
发明人
SIDNEY SUSSMAN
分类号
主分类号
代理机构
代理人
主权项
地址
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