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发明名称
Improvements in protective papers for use in agriculture and in horticulture
摘要
申请公布号
GB370482(A)
申请公布日期
1932.04.04
申请号
GB19310000155
申请日期
1931.01.02
申请人
WILLIAM AUGUSTUS HALL
发明人
分类号
C09K17/52
主分类号
C09K17/52
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代理人
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