Mikrocensus 1980, 4. quarter: Sports, Leisure Time, and Domestic Accidents
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Already in December 1970 (Mikrozensus MZ7004) a Mikrozensus special survey had been conducted on this topic. After ten years this special program is now repeated. Appropriated...
早在1970年12月，针对该主题的编号为MZ7004的微型普查（Mikrozensus）专项调查便已实施。时隔十年，该专项调查项目如今再度开展。相关经费已拨付
