A. Lock Cylinders: Tumbler type, constructed from brass or bronze, stainless steel, or nickel silver.

管形锁：制栓，建筑材料有黄铜或青铜，不锈钢，镍银。

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A. Lock Cylinders: Tumbler type, constructed from brass or bronze, stainless steel, or nickel silver.

管形锁：制栓，建筑材料有黄铜或青铜，不锈钢，镍银。

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