HB 2427-1978 加工HB243-70 AG 过盈螺纹的机用丝锥.pdf

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HB 2404-1977 HB243-70AG、BG螺纹塞规.pdf

HB 2405-1977 HB243-70AG、BG 螺纹塞规.pdf

HB 2407-1977 HB243-70 AG、BG螺纹分组塞规.pdf

HB 2406-1977 HB243-70 AG、BG 螺纹分组塞规.pdf

HB 7319-1996 AG、BG过盈螺纹塞规.d=6～45.pdf

HB 7318-1996 AG、BG过盈螺纹塞规d=3~5.pdf

HB 7319-1996 AG 、BG过盈螺纹塞规d=6~45.pdf

HB 7318-1996 AG、BG过盈螺纹塞规.d=3～5.pdf

HB 7322-1996 AG、BG过盈螺纹塞规及过盈螺纹分组塞规应用尺寸.d=3～45.pdf

HB 7320-1996 AG、BG过盈螺纹分组塞规.d=3~5.pdf

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