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Sino-Soviet friendship

Sino-Soviet friendship (1949)

Maintain a modest attitude, develop the spirit of criticism and self-criticism

Maintain a modest attitude, develop the spirit of criticism and self-criticism (1954, September)

At home

At home (1973, July)

Transform social traditions, hold a new wedding

Transform social traditions, hold a new wedding (1982, April)

Chemical industry

Chemical industry (1956, February)

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