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发明名称
APPARATUS FOR TRIMMING SLATE
摘要
A trimming apparatus for slate blanks wherein two opposing circular wheels are used to trim the blanks and at the same time accommodate warpage and irregularities in the blanks in order to furnish high production with relatively small breakage.
申请公布号
US3724439(A)
申请公布日期
1973.04.03
申请号
USD3724439
申请日期
1967.12.15
申请人
ARVONIA BUCKINGHAM SLATE CO INC,US
发明人
CABELL R,US;HARRINGTON D,US;YANCEY T,US;LINVILLE R,US
分类号
B28D1/32;B28D7/04;(IPC1-7):B28D1/32
主分类号
B28D1/32
代理机构
代理人
主权项
地址
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