SEALING DEVICE FOR TUYERE PART AT STOPPING OF BLASTING
WATANABE HISATOKU, TANAKA KOJI, MAEKAWA MITSUSACHI, MORIYA KATSUSHI, INOHARA EIJI, YUKISHIRO TOSHIO, TAKAKURA MASASHI, YAMADA YASUHIRO
Year of Publication 05.06.2001
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Year of Publication 05.06.2001
Patent