[KongchangAI]
Unverified50% confidenceFactExact time

合理使用原则最早可追溯至1841年联邦法官约瑟夫·斯托里在Folsom v. Marsh案中确立的判例法规则,后于1976年被编入美国版权法第107条

1
Sources
50%
Confidence
Long-term
Relevance
8/22/2026
First Seen

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curl https://kongchang.com/api/v1/knowledge/claims/786997
MCP
get_claim(id=786997)