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Regulations for staff and workers--Cultured and civilized, tidy and hygienic, practice social morality

Regulations for staff and workers--Cultured and civilized, tidy and hygienic, practice social morality (1983, January)

Enthusiastically support Chairman Hua, wholeheartedly love and esteem Chairman Hua

Enthusiastically support Chairman Hua, wholeheartedly love and esteem Chairman Hua (1977, August)

Raise the technological level, strive for even greater thrift!

Raise the technological level, strive for even greater thrift! (1956, August)

Painstakingly concentrate your efforts and skilfully study your capability

Painstakingly concentrate your efforts and skilfully study your capability (1965, April)

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