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HISTORY BEGIN SIPHONIC RAINWATER DRAINAGE SYSTEM

HISTORY BEGIN SIPHONIC RAINWATER DRAINAGE SYSTEM

Ngày đăng: 28/10/2023Lượt xem:222

The current Siphonic roof drainage system is no longer a new concept. In the late 60s of the 20th century, it was initially developed by Finnish engineer Ovlai Ebling but it was not until 1972, too

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