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【多选题】
关于发明专利、实用新型专利和外观设计专利的审查的过程，以下描述正确的有？A.
发明专利为初步审查和实质审查
B.
外观设计专利只做初步审查
C.
实用新型 发明专利的审查为初步审查
D.
所有专利申请都需要进行实质审查
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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B.
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