Internet Archive - command performance 1942 (1942)

财富辛

Title: Command Performance
Source: Internet Archive (Archive.org)

English Introduction:
A 1942 industrial short showing how shellac records were made, including master discs, stampers, and the pressing process.

中文标题：
命令演出：唱片制造过程

中文简介：
1942年的工业短片，详细展示虫胶唱片的制作流程，包括母盘、压模和压制等环节。

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