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发明名称
MANUFACTURE OF CELLULAR POLYMERIC MATERIAL
摘要
申请公布号
CA849049(A)
申请公布日期
1970.08.11
申请号
CAD849049
申请日期
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ, N.V.
发明人
ALEC N. ROPER;EDWARD G. BARBER
分类号
主分类号
代理机构
代理人
主权项
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