Novel safety helmet for construction site

The novel safety helmet for the construction site comprises a safety helmet body, the safety helmet body comprises a hemispherical inner shell and a hemispherical outer shell, the inner shell and the outer shell are spliced to form a hollow structure, a plurality of outer holes are evenly formed in...

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Bibliographic Details
Main Authors SI WENLONG, DING SHANG
Format Patent
LanguageChinese
English
Published 11.01.2022
Subjects
HATS
HEAD COVERINGS
HEADWEAR
HUMAN NECESSITIES
Online AccessGet full text

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