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发明名称
Improvements in or relating to parchment paper and a method of making the same
摘要
申请公布号
GB487403(A)
申请公布日期
1938.06.16
申请号
GB19360028169
申请日期
1936.10.16
申请人
PATERSON PARCHMENT PAPER COMPANY
发明人
分类号
主分类号
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