U.S. federal trademark · Serial No. 74715852 · Reg. No. 1974430
monographs, series of books, and pamphlets, and printed materials compiled in loose-leaf and bound volume format, all dealing with [ plumbing ] * PRIVATE SEWAGE DISPOSAL * standards directed to government officials, architects, engineers and others concerned with [ plumbing ] * PRIVATE SEWAGE DISPOSAL * standards
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