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发明名称
System and Method for Making Wallboard
摘要
A process and apparatus for forming wallboard panels having recessed edges along all four edges which process involves passing an unfinished length of wall board through a lateral recess forming apparatus.
申请公布号
US2010252166(A1)
申请公布日期
2010.10.07
申请号
US20100819179
申请日期
2010.06.19
申请人
CONBOY JOHN S
发明人
CONBOY JOHN S.
分类号
B32B38/10;B32B13/08
主分类号
B32B38/10
代理机构
代理人
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