内径研削とは？（テーパ）.wmv
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Added: 1 year ago
From: nabesan610
Views: 1,917
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  • この研削盤GRI-1000C、使っていただきありがとうござい­ます。

    調子はどうですか？

    （私、元メーカーの者です。が、退社して15年、いまだに研磨と­聞くとワクワクします。）

    KenichiShimizu 1 week ago

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