HEA|  |01516nam0 2200337   45  
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010|  |□d￥3.90
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100|  |□a20010827d1986    em y0chiy0121    ea
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200|10|□a蜗杆传动设计□h上册□f吴鸿业等编著□Awo gan c-
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225|2 |□a齿轮设计丛书
330|  |□a本册包括普通圆柱蜗杆传动和圆弧圆柱蜗杆传动两部分。
410| 0|□120010□a齿轮设计丛书
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701| 0|□a张亚雄□4编著□Azhang ya xiong
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