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1.发明授权Paint roller with coating thickness indicator and method for forming said indicator 失效具有涂层厚度指示器的涂布辊和形成指示剂的方法
公开(公告)号：US3474482A
公开(公告)日：1969-10-28
申请号：US3474482D
申请日：1967-11-14
Applicant: PAINTER CORP E Z
Inventor： BURNS FREDRICK B , WALSH VINCENT T
CPC classification number: B05C17/0207
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