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Subject (Local Yale)
- Commercial products2
- Commercial products Quality2
- Advertising1
- Commercial products Government control1
- Drugs1
- Economic relations (International)1
- Handelshochschule, St. Gall, Switzerland. Schweizerische Versuchsanstalt1
- Industries and mechanic arts Laboratories1
- Labor (Unemployed)1
- Packaging1
- Strength of materials1