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HWWA subject category system

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Concept information

HWWA subject classification > Economy, general > Postal services, telegraphy and telephony > Wireless telegraphy and telephony, radio

Preferred term

n34 Sm1Wireless telegraphy and telephony, radio  

Broader concept

Note

  • folderCount: 43

Identifier

  • 145663

Replaces

Notation

  • n34 Sm1

NotationLong

  • n 34 SM 001

In other languages

URI

http://purl.org/pressemappe20/category/subject/i/145663

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