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Safety Code for Power Presses and Foot and Hand Presses
American Engineering Standards Committee
其他書名
American Standard, Approved November 11, 1926, American Engineering Standards Committee
出版U.S. Government Printing Office, 1926
URLhttp://books.google.com.hk/books?id=8CAqpTW5wnMC&hl=&source=gbs_api
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