Packaging machinery sealing used for water pump shaft sealing
YAO LIMING, WU ZHAOSHAN, DING SIYUN, ZHENG GUOYUN, LI KUN, BAN YUHONG, YANG BOFENG
Year of Publication 17.09.2008
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Year of Publication 17.09.2008
Patent
Contact type dry running mechanical sealing
YAO LIMING, WU ZHAOSHAN, DING SIYUN, ZHENG GUOYUN, LI KUN, YANG BOFENG, BAN YUHONG
Year of Publication 04.06.2008
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Year of Publication 04.06.2008
Patent