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发明名称
RETURN SPRING AND ITS GUIDING DEVICE
摘要
<p>A spring (1) alternatingly comprised of turns of two different diameters (1a and 1b) is guided by one or a plurality of rods (2) inserted between the larger diameter turns (1a) and the smaller diameter turns (1b).</p>
申请公布号
WO1986001867(A1)
申请公布日期
1986.03.27
申请号
FR1985000241
申请日期
1985.09.09
申请人
发明人
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主分类号
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