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发明名称
METHOD OF REGULATING THE UPPER SURFACE CONTOUR OF POLYURETHANE FOAM
摘要
申请公布号
US3560599(A)
申请公布日期
1971.02.02
申请号
USD3560599
申请日期
1968.08.05
申请人
TENNECO CHEMICALS INC.
发明人
CHARLES FERSTENBERG
分类号
B29C44/46;(IPC1-7):B29D27/04
主分类号
B29C44/46
代理机构
代理人
主权项
地址
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