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DEVELON OPERATION MANUAL

HD Construction Equipment Co., Ltd

App StoreNo ratingFreeFirst seen 31 Oct 2026

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App info

Category: Business
Age rating: 4+
Price: Free
Version: 1.2.8
Released: Oct 16, 2021
Last updated: 16 May 2025
Size: 43.9 MB
Requires: iOS 16.2 or later
Languages: 1

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★★★★★

Average rating on the App Store. Apple doesn't publish how many ratings each star has.

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What's newin version 1.2.8

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About this app

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This app is a mobile version of the GSIS system, in which the manual is provided to customers who have purchased the equipment. After purchasing the equipment, scan the equipment's QR code or enter the PIN by using the app to find and view the equipment's manual. In addition, you can receive important news from the GSIS system and download manuals into your mobile device. The manual is available in various formats, including PDF and HTML.