Erik de Jong
![Erik de Jong](https://www.openspaceworldmap.org/./uploads/user_images/osmap_759.jpg)
Contact details in Australia
Organization
Keystone de Jong Associates
Postal Address
Suite 504
147 King Street
Sydney, NSW 2000
Australia
147 King Street
Sydney, NSW 2000
Australia
Phone
mobile
+61 - 412 742 686
landline +61 - 2-8569 1717 for Sydney
landline +61 - 3-8610 0112 for Melbourne
landline +61 - 2-8569 1717 for Sydney
landline +61 - 3-8610 0112 for Melbourne
Internet
My Open Space activities